diff --git a/app/node/block/transition/transition.cpp b/app/node/block/transition/transition.cpp
index f7497af41..f0590e5c5 100644
--- a/app/node/block/transition/transition.cpp
+++ b/app/node/block/transition/transition.cpp
@@ -173,10 +173,14 @@ void TransitionBlock::Value(const NodeValueRow &value, const NodeGlobals &global
 
     if (out_buffer.type() != NodeValue::kNone) {
       job.Insert(kOutBlockInput, out_buffer);
+    } else {
+      job.Insert(kOutBlockInput, NodeValue(NodeValue::kTexture, nullptr));
     }
 
     if (in_buffer.type() != NodeValue::kNone) {
       job.Insert(kInBlockInput, in_buffer);
+    } else {
+      job.Insert(kInBlockInput, NodeValue(NodeValue::kTexture, nullptr));
     }
 
     job.Insert(kCurveInput, value);